how to upgrade Sun Ultra 1 prom and which Solaris 5.8 from 32-bit to 64-bit --------------------------------------------------------------------------- open the cover, remove video card, find the jumpter J2003, switch from 1-2 to 2-3, run: [root@avon /]# /usr/sbin/prtconf -V OBP 3.5 2001/02/08 14:33 to determine current OBP version. [root@avon /]# /etc/init.d/flashprom start to upgrade prom. [root@avon /]# /usr/sbin/prtconf -V OBP 3.11.1 2003/02/08 14:33 [root@avon /]# /usr/bin/isainfo -kv 32-bit kernel modules run: [root@avon /]# /usr/sbin/eeprom boot-file=kernel/sparcv9/unix to switch to 64-bit OS. Reboot your system. [root@avon /]# /usr/bin/isainfo -kv 64-bit sparcv9 kernel modules [root@avon /]# /usr/sbin/eeprom boot-file=kernel/unix to switch to 32-bit OS. Reboot your system. Reference ========= 1. Sun Ultra 1 system board: <http://sunsolve.sun.com/handbook_pub/Devices/System_Board/SYSBD_Ultra1_140.html> 2. Solaris 2 FAQ: <http://www.science.uva.nl/pub/solaris/solaris2.html> |